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147437472 = 25372132411
BaseRepresentation
bin10001100100110…
…11011110100000
3101021102121012010
420302123132200
5300220444342
622344032520
73440124600
oct1062333640
9337377163
10147437472
1176251a56
1241462740
1324712710
141581cc00
15ce2529c
hex8c9b7a0

147437472 has 144 divisors (see below), whose sum is σ = 485043552. Its totient is φ = 38868480.

The previous prime is 147437471. The next prime is 147437501. The reversal of 147437472 is 274734741.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 147437472.

It is not an unprimeable number, because it can be changed into a prime (147437471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59947 + ... + 62357.

It is an arithmetic number, because the mean of its divisors is an integer number (3368358).

Almost surely, 2147437472 is an apocalyptic number.

147437472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147437472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242521776).

147437472 is an abundant number, since it is smaller than the sum of its proper divisors (337606080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147437472 is a wasteful number, since it uses less digits than its factorization.

147437472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2436 counting only the distinct ones).

The product of its digits is 131712, while the sum is 39.

The square root of 147437472 is about 12142.3832915948. The cubic root of 147437472 is about 528.2862313977.

The spelling of 147437472 in words is "one hundred forty-seven million, four hundred thirty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 78 84 91 96 98 104 112 147 156 168 182 196 208 224 273 294 312 336 364 392 416 546 588 624 637 672 728 784 1092 1176 1248 1274 1456 1568 1911 2184 2352 2411 2548 2912 3822 4368 4704 4822 5096 7233 7644 8736 9644 10192 14466 15288 16877 19288 20384 28932 30576 31343 33754 38576 50631 57864 61152 62686 67508 77152 94029 101262 115728 118139 125372 135016 188058 202524 219401 231456 236278 250744 270032 354417 376116 405048 438802 472556 501488 540064 658203 708834 752232 810096 877604 945112 1002976 1316406 1417668 1504464 1535807 1620192 1755208 1890224 2632812 2835336 3008928 3071614 3510416 3780448 4607421 5265624 5670672 6143228 7020832 9214842 10531248 11341344 12286456 18429684 21062496 24572912 36859368 49145824 73718736 147437472